flavone

American  

[fley-vohn] / ˈfleɪ voʊn /

noun

Chemistry.

1. a colorless, crystalline, water-insoluble compound, C 15 H 10 O 2 , the parent substance of a group of naturally occurring derivatives some of which have been used as yellow dyes.

2. any derivative of this compound.

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flavone British  

/ ˈfleɪvəʊn /

noun

1. a crystalline compound occurring in plants. Formula: C 15 H 10 O 2

2. any of a class of yellow plant pigments derived from flavone

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Etymology

Origin of flavone

1895–1900; < German Flavon; flavo-, -one

Example Sentences

Experiments to determine the structure of triticein surprisingly identified this compound as an isoflavone rather than a flavone, as the team had expected.

From Science Daily • Nov. 15, 2023

The yellow plant pigments, other than the carotinoids, are almost without exception glucosides having a xanthone or flavone nucleus.

From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred

The soluble yellow pigments are generally glucosides of hydroxy-derivatives of xanthone or flavone, known as oxyxanthones or oxyflavones.

From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred

The sugars which are united to these nuclei vary greatly, so that there are a great variety of yellow, white, or colorless flavone or xanthone pigment compounds.

From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred

Isoquercitrin, C21H20O12, is derived from the same flavone, but contains glucose instead of rhamnose, as the sugar constituent of the glucoside.

From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred